Home / 16,142.67-22,276.80-9,069.03

Finding the Fourth Proportional to 16,142.67, 22,276.80 and 9,069.03

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Solution

The fourth proportional to 16,142.67, 22,276.80 and 9,069.03 is: 12,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,142.67 : 22,276.80 = 9,069.03 : x
  2. Step 2: Convert to fraction form
    16,142.67/22,276.80 = 9,069.03/x
  3. Step 3: Cross multiply
    16,142.67x = 22,276.80 × 9,069.03
  4. Step 4: Simplify right side
    16,142.67x = 202,028,967.50
  5. Step 5: Solve for x
    x = 202,028,967.50/16,142.67
  6. Step 6: Final answer
    x = 12,515.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.